13985972

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 33516000

約数和(自身を除く): 19530028

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 499, 539, 572, 637, 998, 1001, 1078, 1274, 1996, 2002, 2156, 2548, 3493, 4004, 5489, 6487, 6986, 7007, 10978, 12974, 13972, 14014, 21956, 24451, 25948, 28028, 38423, 45409, 48902, 71357, 76846, 90818, 97804, 142714, 153692, 181636, 268961, 285428, 317863, 499499, 537922, 635726, 998998, 1075844, 1271452, 1997996, 3496493, 6992986, 13985972]

約数ペア:

[(1, 13985972), (2, 6992986), (4, 3496493), (7, 1997996), (11, 1271452), (13, 1075844), (14, 998998), (22, 635726), (26, 537922), (28, 499499), (44, 317863), (49, 285428), (52, 268961), (77, 181636), (91, 153692), (98, 142714), (143, 97804), (154, 90818), (182, 76846), (196, 71357), (286, 48902), (308, 45409), (364, 38423), (499, 28028), (539, 25948), (572, 24451), (637, 21956), (998, 14014), (1001, 13972), (1078, 12974), (1274, 10978), (1996, 7007), (2002, 6986), (2156, 6487), (2548, 5489), (3493, 4004)]